syzbot


panic: rsm:ADDR nrsm:ADDR rack:ADDR -- rsm->m is NULL?

Status: closed as invalid on 2021/09/17 21:49
Reported-by: syzbot+9fe63ed2317eff4bc6c1@syzkaller.appspotmail.com
Fix commit: 02cffbc2507e tcp: Incorrect KASSERT causes a panic in rack
First crash: 1294d, last: 1289d

Sample crash report:
panic: rsm:0xfffff80030646e70 nrsm:0xfffff80030646e00 rack:0xfffffe0094c08a00 -- rsm->m is NULL?
cpuid = 1
time = 1620387008
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe00516af4a0
vpanic() at vpanic+0x1c7/frame 0xfffffe00516af500
panic() at panic+0x43/frame 0xfffffe00516af560
rack_update_entry() at rack_update_entry+0x66d/frame 0xfffffe00516af5d0
rack_log_output() at rack_log_output+0x368/frame 0xfffffe00516af660
rack_output() at rack_output+0xa233/frame 0xfffffe00516af9b0
tcp_usr_shutdown() at tcp_usr_shutdown+0xc1/frame 0xfffffe00516afa10
soshutdown() at soshutdown+0x213/frame 0xfffffe00516afa70
kern_shutdown() at kern_shutdown+0xa6/frame 0xfffffe00516afab0
amd64_syscall() at amd64_syscall+0x247/frame 0xfffffe00516afbf0
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe00516afbf0
--- syscall (0, FreeBSD ELF64, nosys), rip = 0x2b3cda, rsp = 0x7fffffffea68, rbp = 0x7fffffffea80 ---
KDB: enter: panic
[ thread pid 787 tid 100100 ]
Stopped at      kdb_enter+0x67: movq    $0,0x163a54e(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                        0x28
rax                       0x12
rcx                       0x80
rdx         0xffffffff819c28f7
rbx                          0
rsp         0xfffffe00516af480
rbp         0xfffffe00516af4a0
rsi                        0x1
rdi                          0
r8                           0
r9          0x8080808080808080
r10         0xfffffe00516af370
r11              0x1ffaefff59c
r12         0xffffffff82267ac0  ddb_dbbe
r13                          0
r14         0xffffffff81a73d13
r15         0xffffffff81a73d13
rip         0xffffffff8112ec37  kdb_enter+0x67
rflags                    0x82
kdb_enter+0x67: movq    $0,0x163a54e(%rip)
db> show proc
Process 787 (syz-executor9805935) at 0xfffff800240ba538:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 785 at 0xfffff800306b2000
 ABI: FreeBSD ELF64
 flag: 0x10004000  flag2: 0
 arguments: ./syz-executor980593525
 reaper: 0xfffff8000452a538 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe0094c023e0
   (map 0xfffffe0094c023e0)
   (map.pmap 0xfffffe0094c024a0)
   (pmap 0xfffffe0094c02500)
 threads: 1
100100                   Run     CPU 1                       syz-executor9805935
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
  787   785   785     0  R       CPU 1                       syz-executor9805935
  785   783   785     0  Ss      pause   0xfffff800306b20b0  csh
  783   694   783     0  Ss      select  0xfffff800305bd540  sshd
  760     1   760     0  Ss+     ttyin   0xfffff800049d7cb0  getty
  759     1   759     0  Ss+     ttyin   0xfffff80004ced8b0  getty
  758     1   758     0  Ss+     ttyin   0xfffff80004cedcb0  getty
  757     1   757     0  Ss+     ttyin   0xfffff80004cf40b0  getty
  756     1   756     0  Ss+     ttyin   0xfffff80004cf44b0  getty
  755     1   755     0  Ss+     ttyin   0xfffff80004cf48b0  getty
  754     1   754     0  Ss+     ttyin   0xfffff80004cf4cb0  getty
  753     1   753     0  Ss+     ttyin   0xfffff80004c6e0b0  getty
  752     1   752     0  Ss+     ttyin   0xfffff80004c6e4b0  getty
  750     1    24     0  S+      piperd  0xfffff8003039f2e8  logger
  749   748    24     0  S+      nanslp  0xffffffff8273c8e0  sleep
  748     1    24     0  S+      wait    0xfffff8002403ba70  sh
  698     1   698     0  Ss      nanslp  0xffffffff8273c8e1  cron
  694     1   694     0  Ss      select  0xfffff80004f5e7c0  sshd
  507     1   507     0  Ss      select  0xfffff80004fe2340  syslogd
  436     1   436     0  Ss      select  0xfffff80004fe2540  devd
  435     1   435    65  Ss      select  0xfffff80004fe24c0  dhclient
  350     1   350     0  Ss      select  0xfffff80004fe23c0  dhclient
  347     1   347     0  Ss      select  0xfffff80004f5e840  dhclient
   23     0     0     0  DL      syncer  0xffffffff8282bd50  [syncer]
   22     0     0     0  DL      vlruwt  0xfffff80004e8da70  [vnlru]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100081                   D       qsleep  0xffffffff8282ae00  [bufdaemon]
100088                   D       -       0xffffffff8220ae00  [bufspacedaemon-0]
100095                   D       sdflush 0xfffff80004f64ce8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff82852c08  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100079                   D       psleep  0xffffffff82847078  [dom0]
100086                   D       launds  0xffffffff82847084  [laundry: dom0]
100087                   D       umarcl  0xffffffff815c9360  [uma]
   18     0     0     0  DL      -       0xffffffff82570c78  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff82fc7828  [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff830c13c0  [pf purge]
   15     0     0     0  DL      -       0xffffffff8282845c  [soaiod4]
    9     0     0     0  DL      -       0xffffffff8282845c  [soaiod3]
    8     0     0     0  DL      -       0xffffffff8282845c  [soaiod2]
    7     0     0     0  DL      -       0xffffffff8282845c  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100044                   D       -       0xffffffff82448140  [doneq0]
100045                   D       -       0xffffffff824480c0  [async]
100078                   D       -       0xffffffff82447f90  [scanner]
   14     0     0     0  DL      seqstat 0xfffff8000463c888  [sequencer 00]
    5     0     0     0  DL      crypto_ 0xfffff8000462ed80  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffff8000462ed30  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff828445a0  [crypto]
   13     0     0     0  DL      (threaded)                  [geom]
100035                   D       -       0xffffffff8271c120  [g_event]
100036                   D       -       0xffffffff8271c128  [g_up]
100037                   D       -       0xffffffff8271c130  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100028                   D       -       0xfffff80004574600  [thr_0]
100029                   D       -       0xfffff80004574680  [thr_1]
   12     0     0     0  RL      (threaded)                  [intr]
100011                   I                                   [swi6: task queue]
100013                   I                                   [swi6: Giant taskq]
100018                   I                                   [swi5: fast taskq]
100030                   I                                   [swi4: clock (0)]
100031                   I                                   [swi4: clock (1)]
100032                   RunQ                                [swi1: netisr 0]
100033                   I                                   [swi3: vm]
100046                   I                                   [irq24: virtio_pci0]
100047                   I                                   [irq25: virtio_pci0]
100048                   I                                   [irq26: virtio_pci0]
100049                   I                                   [irq27: virtio_pci0]
100050                   I                                   [irq28: virtio_pci1]
100051                   I                                   [irq29: virtio_pci1]
100052                   I                                   [irq30: virtio_pci1]
100053                   I                                   [irq31: virtio_pci1]
100054                   I                                   [irq32: virtio_pci1]
100059                   I                                   [irq10: virtio_pci2]
100061                   I                                   [irq1: atkbd0]
100062                   I                                   [irq12: psm0]
100063                   I                                   [swi0: uart uart++]
100071                   I                                   [swi1: pf send]
100084                   I                                   [swi1: hpts]
100085                   I                                   [swi1: hpts]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   Run     CPU 0                       [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffff8000452a538  [init]
   10     0     0     0  DL      audit_w 0xffffffff82844ab0  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff8271c6b0  [swapper]
100005                   D       -       0xfffff80004144800  [if_config_tqg_0]
100006                   D       -       0xfffff80004144700  [softirq_0]
100007                   D       -       0xfffff80004144600  [softirq_1]
100008                   D       -       0xfffff80004144500  [if_io_tqg_0]
100009                   D       -       0xfffff80004144400  [if_io_tqg_1]
100010                   D       -       0xfffff8000457a600  [pci_hp taskq]
100012                   D       -       0xfffff8000457a300  [inm_free taskq]
100014                   D       -       0xfffff8000457a000  [linuxkpi_irq_wq]
100015                   D       -       0xfffff80004574e00  [thread taskq]
100016                   D       -       0xfffff80004574d00  [in6m_free taskq]
100017                   D       -       0xfffff80004574c00  [aiod_kick taskq]
100019                   D       -       0xfffff80004574900  [kqueue_ctx taskq]
100020                   D       -       0xfffff80004574800  [linuxkpi_short_wq_0]
100021                   D       -       0xfffff80004574800  [linuxkpi_short_wq_1]
100022                   D       -       0xfffff80004574800  [linuxkpi_short_wq_2]
100023                   D       -       0xfffff80004574800  [linuxkpi_short_wq_3]
100024                   D       -       0xfffff80004574700  [linuxkpi_long_wq_0]
100025                   D       -       0xfffff80004574700  [linuxkpi_long_wq_1]
100026                   D       -       0xfffff80004574700  [linuxkpi_long_wq_2]
100027                   D       -       0xfffff80004574700  [linuxkpi_long_wq_3]
100034                   D       -       0xfffff80004574000  [firmware taskq]
100038                   D       -       0xfffff800045c1d00  [crypto_0]
100039                   D       -       0xfffff800045c1d00  [crypto_1]
100055                   D       -       0xfffff800045c1700  [vtnet0 rxq 0]
100056                   D       -       0xfffff800045c1600  [vtnet0 txq 0]
100057                   D       -       0xfffff800045c1500  [vtnet0 rxq 1]
100058                   D       -       0xfffff800045c1400  [vtnet0 txq 1]
100060                   D       vtbslp  0xfffff80004972100  [virtio_balloon]
100064                   D       -       0xfffff80004973a00  [mca taskq]
100066                   D       -       0xffffffff81e206a0  [deadlkres]
100073                   D       -       0xfffff80004c3c700  [acpi_task_0]
100074                   D       -       0xfffff80004c3c700  [acpi_task_1]
100075                   D       -       0xfffff80004c3c700  [acpi_task_2]
100077                   D       -       0xfffff800045c1c00  [CAM taskq]
db> show all locks
Process 787 (syz-executor9805935) thread 0xfffffe00557c0000 (100100)
exclusive rw tcpinp (tcpinp) r = 0 (0xfffff800305399a8) locked @ /syzkaller/managers/main/kernel/sys/netinet/tcp_usrreq.c:886
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4216         4340K         4241
          tcp_hpts            5         3201K            5
         sysctloid        33718         1992K        33785
             vtbuf           24         1968K           46
              kobj          332         1328K          492
            newblk          583         1170K          601
          vfscache            3         1025K            3
               pcb           24          537K           78
          inodedep           50          531K           71
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc           98          204K          840
            acpica         1674          184K        55406
         vnet_data            1          168K            1
           tidhash            3          141K            3
           pagedep           14          132K           18
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          103          103K          112
            linker          294          102K          318
               bus          995           81K         3509
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          508           64K          508
              temp           18           33K         1611
         hostcache            1           32K            1
               shm            1           32K            1
           kdtrace          162           32K          904
            DEVFS3          122           31K          132
              umtx          242           31K          242
               msg            4           30K            4
              vmem            3           26K            5
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
        DEVFS_RULE           56           20K           56
               BPF           10           18K           10
         ufs_mount            5           17K            6
              proc            3           17K            3
               tty           16           16K           16
           ithread           99           16K           99
            bus-sc           33           14K         1719
            KTRACE          100           13K          100
              kenv           93           12K           93
      eventhandler          133           12K          133
            ifaddr           30           12K           32
          routetbl           50           11K          176
              rman           84           10K          425
              GEOM           60           10K          489
         bmsafemap            4            9K           41
              UART           12            9K           12
           devstat            4            9K            4
              ksem            1            8K            1
               rpc            2            8K            2
             shmfd            1            8K            1
       pfs_vncache            1            8K            1
         pfs_nodes           20            8K           20
     audit_evclass          236            8K          294
         taskqueue           60            7K           60
            sglist            5            7K            5
           CAM DEV            3            6K          510
              cred           23            6K          244
         CAM queue            5            6K         1528
       ufs_dirhash           24            5K           24
               UMA          265            5K          265
            dirrem           17            5K           28
            plimit           17            5K          337
                vt           11            5K           11
             ifnet            3            5K            3
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
          filedesc            1            4K            1
           acpisem           28            4K           28
             hhook           13            4K           13
       ether_multi           40            4K           50
            diradd           25            4K           36
           lltable           11            4K           11
          pf_ifnet            5            3K            6
       fpukern_ctx            3            3K            3
         in6_multi           25            3K           25
            kqueue           46            3K          790
           pwddesc           46            3K          788
          terminal           11            3K           11
           session           20            3K           32
           uidinfo            3            3K            9
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
             selfd           27            2K         9130
             lockf           16            2K           26
         proc-args           39            2K          492
            Unitno           27            2K           39
           CAM XPT           22            2K          543
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
               msi            9            2K            9
             clone            9            2K            9
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
       vnodemarker            2            1K            8
      NFSD session            1            1K            1
        CAM periph            4            1K          271
            select            7            1K           29
             ipsec            3            1K            3
          indirdep            3            1K            3
             nhops            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
          sctp_ifa            5            1K            6
            crypto            4            1K            4
            ip6ndp            4            1K            5
 encap_export_host           12            1K           12
         newdirblk            4            1K            8
             mkdir            4            1K           16
          in_multi            2            1K            4
              pfil            4            1K            4
           CAM SIM            2            1K            2
              cdev            2            1K            2
    chacha20random            1            1K            1
       inpcbpolicy           11            1K          138
               osd            3            1K           10
          sctp_ifn            2            1K            6
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
            DEVFSP            4            1K            9
             DEVFS            9            1K           10
               mld            2            1K            2
              igmp            2            1K            2
            vnodes            1            1K            1
              ktls            1            1K            1
            feeder            7            1K            7
           tcpfunc            3            1K            3
        loginclass            3            1K            7
            prison            6            1K            6
             linux            5            1K            6
        aesni_data            2            1K            2
            apmdev            1            1K            1
          atkbddev            2            1K            2
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
             xform            2            1K           49
          CAM path            4            1K         1034
          procdesc            1            1K            6
          pmchooks            1            1K            1
          nexusdev            7            1K            7
            soname            4            1K         3234
          filecaps            4            1K           66
               tun            3            1K            3
          sctp_vrf            1            1K            1
           tcp_fsb            1            1K            1
              vnet            1            1K            1
           entropy            2            1K           35
          acpiintr            1            1K            1
               pmc            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          freework            1            1K           26
          p1003.1b            1            1K            1
          pf_table            0            0K            0
           pf_rule            0            0K            0
           pf_altq            0            0K            0
           pf_osfp            0            0K            0
           pf_temp            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K            0
         sctp_iter            0            0K            3
         sctp_mvrf            0            0K            0
         sctp_timw            0            0K            0
         sctp_cpal            0            0K            0
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_athm            0            0K            0
         sctp_atky            0            0K            0
         sctp_atcl            0            0K            0
         sctp_a_it            0            0K            3
         sctp_aadr            0            0K            0
         sctp_stro            0            0K            0
         sctp_stri            0            0K            0
          sctp_map            0            0K            0
            tcp_do            0            0K            0
            mqdata            0            0K            0
       NFSD string            0            0K            0
       NFSD V4lock            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
      NFSD V4state            0            0K            0
     NFSD srvcache            0            0K            0
       msdosfs_fat            0            0K            0
     msdosfs_mount            0            0K            0
      msdosfs_node            0            0K            0
              iavf            0            0K            0
               ixl            0            0K            0
            DEVFS4            0            0K            0
            DEVFS2            0            0K            0
            gntdev            0            0K            0
       privcmd_dev            0            0K            0
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
             axgbe            0            0K            0
        evtchn_dev            0            0K            0
          xenstore            0            0K            0
         ciss_data            0            0K            0
         BACKLIGHT            0            0K            0
               xnb            0            0K            0
              xbbd            0            0K            0
               xbd            0            0K            0
           Balloon            0            0K            0
          sysmouse            0            0K            0
            vtfont            0            0K            0
          xen_intr            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
           ath_hal            0            0K            0
            athdev            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
           ata_pci            0            0K            0
           ata_dma            0            0K            0
       ata_generic            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
               amr            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
            xenbus            0            0K            0
            pvscsi            0            0K            0
           scsi_da            0            0K           69
     vm_fictitious            0            0K            0
            ata_da            0            0K            0
           scsi_ch            0            0K            0
           scsi_cd            0            0K            0
       AHCI driver            0            0K            0
            USBdev            0            0K            0
               USB            0            0K            0
               agp            0            0K            0
           nvme_da            0            0K            0
           UMAHash            0            0K            0
           acpipwr            0            0K            0
         acpi_perf            0            0K            0
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K           15
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K            2
           jsegdep            0            0K            0
              jseg            0            0K            0
         jfreefrag            0            0K            0
          jfreeblk            0            0K            0
           jnewblk            0            0K            0
            jmvref            0            0K            0
           jremref            0            0K            0
           jaddref            0            0K            0
           freedep            0            0K            0
          freefile            0            0K            9
          freeblks            0            0K           25
          freefrag            0            0K            7
        allocindir            0            0K            0
       allocdirect            0            0K            0
          ufs_trim            0            0K            0
           mactemp            0            0K            0
     audit_trigger            0            0K            0
 audit_pipe_presel            0            0K            0
     audit_pipeent            0            0K            0
        audit_pipe            0            0K            0
      audit_evname            0            0K            0
         audit_bsm            0            0K            0
      audit_gidset            0            0K            0
        audit_text            0            0K            0
        audit_path            0            0K            0
        audit_data            0            0K            0
        audit_cred            0            0K            0
            twsbuf            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
         MLX5E_TLS            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
            MLX5EN            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
          MLX5DUMP            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
          seq_file            0            0K            0
             radix            0            0K            0
               idr            0            0K            0
            lkpifw            0            0K            0
               NLM            0            0K            0
    ipsec-spdcache            0            0K            0
         ipsec-reg            0            0K            0
        ipsec-misc            0            0K            0
      ipsecrequest            0            0K            0
            ip6opt            0            0K            3
       ip6_msource            0            0K            0
      ip6_moptions            0            0K            0
       in6_mfilter            0            0K            0
             frag6            0            0K            0
            tcplog            0            0K            0
        tcp_hwpace            0            0K            0
      twe_commands            0            0K            0
               LRO            0            0K            0
      newreno data            0            0K            0
        ip_msource            0            0K            0
       ip_moptions            0            0K            0
        in_mfilter            0            0K            0
              ipid            0            0K            0
         80211scan            0            0K            0
      80211ratectl            0            0K            0
        80211power            0            0K            0
       80211nodeie            0            0K            0
         80211node            0            0K            0
      80211mesh_gt            0            0K            0
      80211mesh_rt            0            0K            0
         80211perr            0            0K            0
         80211prep            0            0K            0
         80211preq            0            0K            0
          80211dfs            0            0K            0
       80211crypto            0            0K            0
          80211vap            0            0K            0
             iflib            0            0K            0
              vlan            0            0K            0
               gif            0            0K            0
           ifdescr            0            0K            0
              zlib            0            0K            0
           fadvise            0            0K            0
           VN POLL            0            0K            0
      twa_commands            0            0K            0
            statfs            0            0K          197
     namei_tracker            0            0K            0
       export_host            0            0K            0
        cl_savebuf            0            0K            6
       tcp_log_dev            0            0K            0
      midi buffers            0            0K            0
             mixer            0            0K            0
              ac97            0            0K            0
             hdacc            0            0K            0
              hdac            0            0K            0
              hdaa            0            0K            0
         acpicmbat            0            0K            0
       SIIS driver            0            0K            0
           CAM CCB            0            0K         1743
               PUC            0            0K            0
          ppbusdev            0            0K            0
agtiapi_MemAlloc malloc            0            0K            0
    osti_cacheable            0            0K            0
          tempbuff            0            0K            0
            biobuf            0            0K            0
              aios            0            0K            0
               lio            0            0K            0
               acl            0            0K            0
          tempbuff            0            0K            0
          mbuf_tag            0            0K           27
ag_tgt_map_t malloc            0            0K            0
ag_slr_map_t malloc            0            0K            0
lDevFlags * malloc            0            0K            0
tiDeviceHandle_t * malloc            0            0K            0
ag_portal_data_t malloc            0            0K            0
ag_device_t malloc            0            0K            0
     STLock malloc            0            0K            0
          CCB List            0            0K            0
            sr_iov            0            0K            0
               OCS            0            0K            0
               OCS            0            0K            0
              nvme            0            0K            0
               nvd            0            0K            0
            netmap            0            0K            0
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        MVS driver            0            0K            0
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          mps_user            0            0K            0
              accf            0            0K            0
               pts            0            0K            0
               iov            0            0K        13522
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           Witness            0            0K            0
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               mps            0            0K            0
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               mpr            0            0K            0
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              sbuf            0            0K          288
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              SWAP            0            0K            0
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               LED            0            0K            0
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       aacraid_buf            0            0K            0
                ix            0            0K            0
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            iirbuf            0            0K            0
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             sigio            0            0K            1
filedesc_to_leader            0            0K            0
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    tr_raid1e_data            0            0K            0
     tr_raid1_data            0            0K            0
     tr_raid0_data            0            0K            0
    tr_concat_data            0            0K            0
       md_sii_data            0            0K            0
   md_promise_data            0            0K            0
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   md_jmicron_data            0            0K            0
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320     729       13382       0     254   37064704        0
              pbuf   2624       0     973           0       0       2    2553152        0
              mbuf    256    8579     721       15626       0     254    2380800        0
          BUF TRIE    144     175   13293         421       0      62    1939392        0
        malloc-384    384    4116       4        4116       0      30    1582080        0
        malloc-128    128   11052      15       11065       0     126    1416576        0
       malloc-4096   4096     332       1         492       0       2    1363968        0
       UMA Slabs 0    112    9849      12        9849       0     126    1104432        0
         FFS inode   1160     502       9         512       0       8     592760        0
            lkpimm    160       1    2324           1       0      62     372000        0
          lkpicurr    160       2    2323           2       0      62     372000        0
        RADIX NODE    144    2057     152       20238       0      62     318096        0
         malloc-64     64    4020     201        5007       0     254     270144        0
      malloc-65536  65536       4       0           4       0       1     262144        0
         VM OBJECT    264     894      51       12750       0      30     249480        0
             VNODE    448     532      17         544       0      30     245952        0
       malloc-4096   4096      56       4         798       0       2     245760        0
        256 Bucket   2048     103      17       10078       0       8     245760        0
         malloc-16     16   13756     244       13827       0     254     224000        0
            DEVCTL   1024       0     216         116       0       0     221184        0
            THREAD   1808     115       6         115       0       8     218768        0
      malloc-65536  65536       1       2         183       0       1     196608        0
         UMA Zones    768     237       2         237       0      16     183552        0
        malloc-256    256     681      24        1023       0      62     180480        0
         malloc-32     32    5219     325        6026       0     254     177408        0
        malloc-128    128    1282      51       29051       0     126     170624        0
      malloc-65536  65536       2       0           2       0       1     131072        0
       FFS2 dinode    256     502       8         511       0      62     130560        0
        malloc-128    128     928      33        1908       0     126     123008        0
          ksiginfo    112      34    1010          49       0     126     116928        0
         MAP ENTRY     96     836     382       38163       0     126     116928        0
       malloc-1024   1024     104       4         116       0      16     110592        0
       S VFS Cache    104     969      84        1011       0     126     109512        0
         vmem btag     56    1885      47        1885       0     254     108192        0
      malloc-16384  16384       4       2         181       0       1      98304        0
       malloc-8192   8192       9       3         138       0       1      98304        0
       malloc-2048   2048       2      42        1745       0       8      90112        0
          UMA Kegs    384     222       1         222       0      30      85632        0
            clpbuf   2624       0      32          18       0      16      83968        0
             g_bio    408       0     190        4446       0      30      77520        0
           VMSPACE   2544      23       7         766       0       4      76320        0
              PROC   1336      45       6         787       0       8      68136        0
      mbuf_cluster   2048      30       2          30       0     254      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       0       1           8       0       1      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-32768  32768       0       2         130       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
       malloc-4096   4096      14       2         110       0       2      65536        0
        128 Bucket   1024      42      17         611       0      16      60416        0
         filedesc0   1072      46      10         788       0       8      60032        0
        malloc-256    256     176      34         767       0      62      53760        0
      malloc-16384  16384       3       0           3       0       1      49152        0
        malloc-128    128     118     254         419       0     126      47616        0
         32 Bucket    256      46     134        2811       0      62      46080        0
       malloc-2048   2048       4      18         511       0       8      45056        0
         malloc-64     64     526     167       14835       0     254      44352        0
        malloc-128    128     292      49         451       0     126      43648        0
        malloc-256    256     140      25         157       0      62      42240        0
       malloc-8192   8192       5       0           5       0       1      40960        0
           DIRHASH   1024      34       2          34       0      16      36864        0
             NAMEI   1024       0      36       12032       0      16      36864        0
        malloc-512    512       4      68         512       0      30      36864        0
            pcpu-8      8    4190     418        4218       0     254      36864        0
         64 Bucket    512      58      14        1362       0      30      36864        0
         malloc-64     64     486      81         703       0     254      36288        0
        malloc-384    384      69      21         102       0      30      34560        0
      malloc-32768  32768       1       0           1       0       1      32768        0
       malloc-8192   8192       3       1           5       0       1      32768        0
       malloc-4096   4096       7       1         539       0       2      32768        0
           pcpu-64     64     480      32         480       0     254      32768        0
        malloc-384    384      68      12          68       0      30      30720        0
        malloc-256    256      83      37         138       0      62      30720        0
            socket    944      19       9        1255       0     254      26432        0
       malloc-2048   2048       6       6          83       0       8      24576        0
       malloc-1024   1024      10      14        1082       0      16      24576        0
       malloc-1024   1024      18       6          22       0      16      24576        0
            ttyinq    160     135      15         300       0      62      24000        0
           ttyoutq    256      72      18         160       0      62      23040        0
        malloc-384    384      52       8          52       0      30      23040        0
       malloc-4096   4096       3       2         201       0       2      20480        0
         TURNSTILE    136     122      25         122       0      62      19992        0
       Mountpoints   2752       2       5           2       0       4      19264        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-2048   2048       6       2           6       0       8      16384        0
       malloc-1024   1024      12       4          12       0      16      16384        0
       malloc-1024   1024      11       5          11       0      16      16384        0
         malloc-64     64     127     125         155       0     254      16128        0
         malloc-32     32     336     168         434       0     254      16128        0
         malloc-32     32      71     433        3966       0     254      16128        0
          8 Bucket     80      37     163         464       0     126      16000        0
        malloc-256    256      13      47         346       0      62      15360        0
             tcpcb   1064       4      10           8       0     254      14896        0
              pipe    744       7      13         286       0      16      14880        0
        SLEEPQUEUE     88     122      38         122       0     126      14080        0
       malloc-2048   2048       3       3         268       0       8      12288        0
       malloc-2048   2048       5       1         196       0       8      12288        0
       malloc-1024   1024       5       7          21       0      16      12288        0
       malloc-1024   1024       8       4           9       0      16      12288        0
        malloc-512    512       3      21         189       0      30      12288        0
         malloc-64     64      65     124        9197       0     254      12096        0
         malloc-64     64     115      74        1626       0     254      12096        0
             Files     80      72      78        6527       0     126      12000        0
              kenv    258      15      30        1049       0      30      11610        0
        malloc-256    256      14      31         102       0      62      11520        0
        malloc-256    256      20      25         618       0      62      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-2048   2048       3       1           3       0       8       8192        0
       malloc-1024   1024       0       8           4       0      16       8192        0
        malloc-512    512       6      10          12       0      30       8192        0
        malloc-512    512       8       8           8       0      30       8192        0
           rtentry    176      13      33          17       0      62       8096        0
              PGRP     88      20      72          32       0     126       8096        0
          rl_entry     40      27     175          27       0     254       8080        0
             udpcb     32       6     246         126       0     254       8064        0
               PWD     32      10     242         102       0     254       8064        0
         malloc-64     64       8     118           9       0     254       8064        0
         malloc-64     64      25     101         294       0     254       8064        0
         malloc-32     32      37     215         769       0     254       8064        0
         malloc-32     32      30     222         192       0     254       8064        0
         16 Bucket    144      36      20         202       0      62       8064        0
          4 Bucket     48       6     162          51       0     254       8064        0
          2 Bucket     32      41     211         493       0     254       8064        0
      vtnet_tx_hdr     24       0     334        1412       0     254       8016        0
         malloc-16     16       1     499           4       0     254       8000        0
         malloc-16     16      20     480          59       0     254       8000        0
         malloc-16     16     298     202         504       0     254       8000        0
         malloc-16     16      24     476          25       0     254       8000        0
         malloc-16     16     188     312        1443       0     254       8000        0
         malloc-16     16      26     474       25397       0     254       8000        0
         malloc-16     16      14     486          20       0     254       8000        0
        malloc-128    128       5      57          12       0     126       7936        0
        malloc-128    128      39      23          56       0     126       7936        0
        malloc-128    128      10      52          79       0     126       7936        0
         tcp_inpcb    488       4      12           8       0     254       7808        0
         udp_inpcb    488       6      10         126       0     254       7808        0
     routing nhops    256      10      20          17       0      62       7680        0
             unpcb    256       7      23        1100       0     254       7680        0
       mbuf_packet    256       0      30          94       0     254       7680        0
        malloc-384    384       0      20          19       0      30       7680        0
        malloc-384    384       5      15         352       0      30       7680        0
        malloc-384    384      20       0          20       0      30       7680        0
        malloc-256    256      21       9         293       0      62       7680        0
      tcp_rack_pcb    832       1       8           1       0      16       7488        0
     FPU_save_area    832       1       8           1       0      16       7488        0
            cpuset    104       7      55           7       0     126       6448        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
       malloc-4096   4096       0       1           3       0       2       4096        0
       malloc-2048   2048       1       1           1       0       8       4096        0
        malloc-512    512       0       8           2       0      30       4096        0
           pcpu-16     16       7     249           7       0     254       4096        0
        sctp_laddr     48       0      84           4       0     254       4032        0
      tcp_rack_map    112       4      32           4       0     126       4032        0
         hostcache     64       1      62           1       0     254       4032        0
          syncache    168       0      24           5       0     254       4032        0
         malloc-32     32       6     120          11       0     254       4032        0
         malloc-32     32       0     126           2       0     254       4032        0
         malloc-32     32     103      23         227       0     254       4032        0
             KNOTE    160       0      25           8       0      62       4000        0
             ripcb    488       1       7           4       0     254       3904        0
       UMA Slabs 1    176       8      14           8       0      62       3872        0
        malloc-384    384       1       9           2       0      30       3840        0
            mqnode    416       3       6           3       0      30       3744        0
        KMAP ENTRY     96      12      27          12       0       0       3744        0
              vmem   1856       1       1           1       0       8       3712        0
           SMR CPU     32       3      60           3       0     254       2016        0
        SMR SHARED     24       3      60           3       0     254       1512        0
       FFS1 dinode    128       0       0           0       0     126          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
sctp_stream_msg_out    112       0       0           0       0     254          0        0
        sctp_readq    152       0       0           0       0     254          0        0
        sctp_chunk    152       0       0           0       0     254          0        0
        sctp_raddr    736       0       0           0       0     254          0        0
         sctp_asoc   2288       0       0           0       0     254          0        0
           sctp_ep   1280       0       0           0       0     254          0        0
   pf state scrubs     40       0       0           0       0     254          0        0
   pf frag entries     40       0       0           0       0     254          0        0
          pf frags    248       0       0           0       0      62          0        0
  pf table entries    160       0       0           0       0      62          0        0
pf table entry counters     64       0       0           0       0     254          0        0
   pf source nodes    136       0       0           0       0     254          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    296       0       0           0       0     254          0        0
           pf tags    104       0       0           0       0     126          0        0
          pf mtags     48       0       0           0       0     254          0        0
       tcp_bbr_pcb    832       0       0           0       0      16          0        0
       tcp_bbr_map    128       0       0           0       0     126          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
     udplite_inpcb    488       0       0           0       0     254          0        0
      tcp_log_node    120       0       0           0       0     126          0        0
    tcp_log_bucket    176       0       0           0       0      62          0        0
           tcp_log    416       0       0           0       0     254          0        0
          tcpreass     48       0       0           0       0     254          0        0
tfo_ccache_entries     80       0       0           0       0     126          0        0
               tfo      4       0       0           0       0     254          0        0
          sackhole     32       0       0           0       0     254          0        0
             tcptw     88       0       0           0       0     254          0        0
               ipq     56       0       0           0       0     254          0        0
            itimer    352       0       0           0       0      30          0        0
            AIOLIO    272       0       0           0       0      30          0        0
             AIOCB    552       0       0           0       0      16          0        0
              AIOP     32       0       0           0       0     254          0        0
               AIO    208       0       0           0       0      62          0        0
        TMPFS node    224       0       0           0       0      62          0        0
        mqnotifier    216       0       0           0       0      62          0        0
            mvdata     64       0       0           0       0     254          0        0
            mqueue    248       0       0           0       0      62          0        0
           NCLNODE    584       0       0           0       0      16          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
       L VFS Cache    320       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
           cryptop    280       0       0           0       0      30          0        0
  linux_dma_object     24       0       0           0       0     254          0        0
  linux_dma_pctrie    144       0       0           0       0      62          0        0
   IOMMU_MAP_ENTRY    120       0       0           0       0     126          0        0
      ktls_session    192       0       0           0       0      62          0        0
    mbuf_jumbo_16k  16384       0       0           0       0     254          0        0
     mbuf_jumbo_9k   9216       0       0           0       0     254          0        0
      audit_record   1280       0       0           0       0       8          0        0
         domainset     40       0       0           0       0     254          0        0
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2624       0       0           0       0      64          0        0
            mdpbuf   2624       0       0           0       0       3          0        0
           nfspbuf   2624       0       0           0       0      16          0        0
            swwbuf   2624       0       0           0       0       8          0        0
            swrbuf   2624       0       0           0       0      16          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    144       0       0           0       0      62          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
       malloc-4096   4096       0       0           0       0       2          0        0
       malloc-4096   4096       0       0           0       0       2          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-512    512       0       0           0       0      30          0        0
           pcpu-32     32       0       0           0       0     254          0        0
            pcpu-4      4       0       0           0       0     254          0        0
            fakepg    104       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0

Crashes (25):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/05/07 11:32 freebsd-src fb53b42e36a9 f6da8120 console log report syz C ci-freebsd-main panic: rsm:ADDR nrsm:ADDR rack:ADDR -- rsm->m is NULL?
2021/05/12 18:05 freebsd-src 8c39e25220bb 29b1aea5 console log report ci-freebsd-main panic: rsm:ADDR nrsm:ADDR rack:ADDR -- rsm->m is NULL?
2021/05/08 13:08 freebsd-src 2018d4886281 bc5434be console log report ci-freebsd-main panic: rsm:ADDR nrsm:ADDR rack:ADDR -- rsm->m is NULL?
2021/05/07 10:40 freebsd-src fb53b42e36a9 f6da8120 console log report ci-freebsd-main panic: rsm:ADDR nrsm:ADDR rack:ADDR -- rsm->m is NULL?
2021/05/07 10:34 freebsd-src fb53b42e36a9 f6da8120 console log report ci-freebsd-main panic: rsm:ADDR nrsm:ADDR rack:ADDR -- rsm->m is NULL?
2021/05/07 10:00 freebsd-src fb53b42e36a9 f6da8120 console log report ci-freebsd-main panic: rsm:ADDR nrsm:ADDR rack:ADDR -- rsm->m is NULL?
2021/05/07 08:59 freebsd-src fb53b42e36a9 f6da8120 console log report ci-freebsd-main panic: rsm:ADDR nrsm:ADDR rack:ADDR -- rsm->m is NULL?
2021/05/07 08:54 freebsd-src fb53b42e36a9 f6da8120 console log report ci-freebsd-main panic: rsm:ADDR nrsm:ADDR rack:ADDR -- rsm->m is NULL?
2021/05/07 08:41 freebsd-src fb53b42e36a9 f6da8120 console log report ci-freebsd-main panic: rsm:ADDR nrsm:ADDR rack:ADDR -- rsm->m is NULL?
2021/05/07 08:08 freebsd-src fb53b42e36a9 06585184 console log report ci-freebsd-main panic: rsm:ADDR nrsm:ADDR rack:ADDR -- rsm->m is NULL?
2021/05/07 07:57 freebsd-src fb53b42e36a9 06585184 console log report ci-freebsd-main panic: rsm:ADDR nrsm:ADDR rack:ADDR -- rsm->m is NULL?
2021/05/07 06:53 freebsd-src fb53b42e36a9 06585184 console log report ci-freebsd-main panic: rsm:ADDR nrsm:ADDR rack:ADDR -- rsm->m is NULL?
2021/05/07 06:31 freebsd-src fb53b42e36a9 06585184 console log report ci-freebsd-main panic: rsm:ADDR nrsm:ADDR rack:ADDR -- rsm->m is NULL?
2021/05/07 06:30 freebsd-src fb53b42e36a9 06585184 console log report ci-freebsd-main panic: rsm:ADDR nrsm:ADDR rack:ADDR -- rsm->m is NULL?
2021/05/10 14:25 freebsd-src 8725f0b9dbd2 bc5434be console log report ci-freebsd-i386 panic: rsm:ADDR nrsm:ADDR rack:ADDR -- rsm->m is NULL?
2021/05/10 07:23 freebsd-src 8725f0b9dbd2 bc5434be console log report ci-freebsd-i386 panic: rsm:ADDR nrsm:ADDR rack:ADDR -- rsm->m is NULL?
2021/05/07 11:59 freebsd-src fb53b42e36a9 f6da8120 console log report ci-freebsd-i386 panic: rsm:ADDR nrsm:ADDR rack:ADDR -- rsm->m is NULL?
2021/05/07 11:50 freebsd-src fb53b42e36a9 f6da8120 console log report ci-freebsd-i386 panic: rsm:ADDR nrsm:ADDR rack:ADDR -- rsm->m is NULL?
2021/05/07 10:39 freebsd-src fb53b42e36a9 f6da8120 console log report ci-freebsd-i386 panic: rsm:ADDR nrsm:ADDR rack:ADDR -- rsm->m is NULL?
2021/05/07 10:08 freebsd-src fb53b42e36a9 f6da8120 console log report ci-freebsd-i386 panic: rsm:ADDR nrsm:ADDR rack:ADDR -- rsm->m is NULL?
2021/05/07 10:07 freebsd-src fb53b42e36a9 f6da8120 console log report ci-freebsd-i386 panic: rsm:ADDR nrsm:ADDR rack:ADDR -- rsm->m is NULL?
2021/05/07 08:27 freebsd-src fb53b42e36a9 f6da8120 console log report ci-freebsd-i386 panic: rsm:ADDR nrsm:ADDR rack:ADDR -- rsm->m is NULL?
2021/05/07 07:17 freebsd-src fb53b42e36a9 06585184 console log report ci-freebsd-i386 panic: rsm:ADDR nrsm:ADDR rack:ADDR -- rsm->m is NULL?
2021/05/07 07:03 freebsd-src fb53b42e36a9 06585184 console log report ci-freebsd-i386 panic: rsm:ADDR nrsm:ADDR rack:ADDR -- rsm->m is NULL?
2021/05/07 05:58 freebsd-src fb53b42e36a9 06585184 console log report ci-freebsd-i386 panic: rsm:ADDR nrsm:ADDR rack:ADDR -- rsm->m is NULL?
* Struck through repros no longer work on HEAD.